| Patents for B21H 1 - Making articles shaped as bodies of revolution (2,244) |
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| 10/15/2008 | CN101284296A Rolling and shaping method of titanium alloy taper ring forged piece |
| 10/09/2008 | WO2008121179A1 Method of spinning multiple parts |
| 10/08/2008 | CN101279351A Weighted vertical type ring rolling mill |
| 10/08/2008 | CN101279350A Horizontal type machine for rolling ring of flange |
| 10/08/2008 | CN101279349A Method for rolling and forming nickel-based high-temperature alloy conical ring |
| 10/08/2008 | CN101279348A Method for rolling and shaping aluminum alloy conical ring |
| 10/08/2008 | CN101279347A Method for rolling and shaping stainless steel conical ring |
| 10/08/2008 | CN101279346A Method for rolling and shaping nickel-based high-temperature alloy special-shaped ring forging |
| 10/08/2008 | CN101279345A Method for rolling and shaping titanium alloy special-shaped ring forging |
| 10/08/2008 | CN101279344A Method for rolling and shaping aluminum alloy special-shaped ring forging |
| 10/08/2008 | CN101279343A Method for rolling and shaping stainless steel special-shaped ring forging |
| 09/25/2008 | WO2008113188A1 Method for manufacturing a toothed disc and the toothed disc manufactured thereby |
| 09/25/2008 | CA2680890A1 Method for manufacturing a toothed disc and the toothed disc manufactured thereby |
| 09/24/2008 | CN201120442Y Support roller displacement controlling device of cold rolling machine tool |
| 09/18/2008 | DE102007012831A1 Asymmetrical roller body cage manufacturing method for constant velocity joint, involves forming symmetrical cross section-form by mirror-image arrangement of cages, and separating cages from each other after contouring blank |
| 09/03/2008 | CN100415416C On-line mould-repairing method and apparatus for roller-type wedge transverse rolling machine |
| 09/03/2008 | CN100415406C Wedge transversal rolling technology for pipe-shape piece precision diameter shrinkage |
| 08/28/2008 | DE102007003772A1 Festwalzrollenkopf eines Festwalzwerkzeugs zum Festwalzen von Kurbelwellen Deep rolling head a deep rolling tool for deep rolling of crankshafts |
| 08/06/2008 | CN100408223C Roller type wedge cross-rolling process of shaping eccentric stepped shaft |
| 08/05/2008 | US7406853 Rolling machine and method thereof |
| 07/30/2008 | CN100406196C Grinding ball production method |
| 07/24/2008 | WO2008087990A1 Manufacturing method for bearing outer ring |
| 07/23/2008 | CN101227989A Method of forming a circular sheet-metal blank |
| 07/23/2008 | CN100404163C Roller in composition type actuator in cold looping type rolling mill |
| 07/23/2008 | CN100404162C Feeding rate and work-piece size controlling means during cold ring rolling process |
| 07/23/2008 | CN100404161C Method for determining rotating speed of main shaft expanded by cold rolling |
| 07/16/2008 | CN101222989A Method and device for producing metal rings |
| 07/09/2008 | EP1650011B1 Device for manufacturing support body for run flat tires |
| 07/09/2008 | CN101214525A Device and method for fast pressing ring-shaped parts without butcher cuts |
| 06/26/2008 | US20080148797 Cold roll forming method for reducing a diameter of a metal pipe, and a metal pipe product having its diameter reduced by such method |
| 06/26/2008 | DE10211135B4 Verfahren und Vorrichtung zur Herstellung eines Formkörpers Method and apparatus for producing a shaped article |
| 06/26/2008 | DE102006062207A1 Circumferential profile e.g. circular notch profile, molding method, involves oppositely moving rolling rod in guidance direction, and controlling or regulating movement of work piece against rolling rod by auxiliary device e.g. guide rails |
| 06/25/2008 | CN201076896Y Automatic cold ring rolling machine tool |
| 06/25/2008 | CN201076895Y Radial-axial numeric control ring rolling mill |
| 06/25/2008 | CN100396433C Grooved ball section annular-piece cold-ring-rolling shaping method |
| 06/12/2008 | DE102006057862A1 Lagerkugel eines Wälzlagers, Verfahren zu ihrer Herstellung und Käfig für ein Wälzlager mit solchen Lagerkugeln Bearing ball of a roller bearing, to processes for their preparation and cage for a rolling bearing with such bearing balls |
| 06/11/2008 | CN101198803A Pulley assembly for an electromagnetic power transmitting assembly |
| 06/04/2008 | CN100391646C Method of determing cold rolling expansion feeding speed |
| 05/29/2008 | WO2008063212A2 Robotic vehicle tire and wheel rim assembly apparatus and method |
| 05/29/2008 | US20080121008 Cylindorical rod and method for manufacturing the same |
| 05/28/2008 | CN101185952A Two-sided roll milling forming method and two-sided roll milling forming equipment |
| 05/28/2008 | CN100389901C Wedge cross-rolling two cycle roll-forming method for train shaft blank |
| 05/28/2008 | CN100389900C Wedge cross-rolling two cycle roll forming method for automobile half-shaft blank |
| 05/15/2008 | DE10317506C5 Verfahren zum Herstellen eines hohlen Werkstücks und nach dem Verfahren hergestelltes hohles Werkstück Method produced for manufacturing a hollow workpiece and the procedure hollow workpiece |
| 05/14/2008 | CN201058359Y Balling mechanism of rod bar rolling ball machine |
| 05/14/2008 | CN101176903A Processing method of enlarging cold-rolling of inside and outside spherical surface ferrule piece as well as device thereof |
| 05/07/2008 | CN100386165C Method of manufacturing metal ring for endless metal belt |
| 04/23/2008 | CN201049375Y Copper ball cold-rolling device |
| 04/17/2008 | DE19861391B4 Verfahren zum Formen einer Nabenscheibe und Drückrolle zur Verwendung beim Formen einer Nabenscheibe A method for forming a hub disk and spinning roller for use in forming a hub disk |
| 04/16/2008 | EP1909991A1 Ring rolling from metal blanks |
| 04/16/2008 | EP1909990A1 Method and device for producing metal rings |
| 04/16/2008 | EP1909985A1 Method of forming a circular sheet-metal blank |
| 04/10/2008 | WO2007144120A3 Method and device for sizing rolling |
| 04/09/2008 | CN201044934Y Flange rolling machine |
| 04/03/2008 | WO2008037327A1 Method for the thermomechanical treatment of seamless rings produced on radial-axial ring rolling machines |
| 04/03/2008 | DE19818933B4 Querwalzmaschine Cross rolling machine |
| 03/27/2008 | WO2008002508A3 Methods for making hollow metal spheres |
| 03/27/2008 | US20080072645 Internal roller tool for bending a strip into a tube |
| 03/26/2008 | EP1425120B1 Device and method for producing a shaped body that has a concentric hub |
| 03/12/2008 | CN101142041A Knife blade dressing apparatus |
| 02/27/2008 | EP1891349A1 Pulley assembly for an electromagnetic power transmitting assembly |
| 02/26/2008 | US7334444 Method for producing a gearwheel |
| 02/21/2008 | DE19905038B4 Dorneinrichtung, Querwalzvorrichtung und Verfahren zur Herstellung quergewalzter, zumindest partiell hohler Körper Mandrel means, cross-rolling apparatus and process for producing cross-rolled, at least partially hollow body |
| 02/19/2008 | US7331206 Method of fabricating component having internal teeth and rolling machine thereof |
| 02/14/2008 | WO2007108027A8 Method of forming steel ball blanks, in particular for rolling bearings |
| 02/07/2008 | DE10011681B4 Verfahren und Profilwalzmaschine zum Einstellen der Steigungs-Referenz zwischen den Profilwalzen einer Profilwalzmaschine Process and roll-forming machine for setting the reference slope between the profile rollers of a roll-forming machine |
| 01/31/2008 | US20080022527 Method of Manufacturing Sheet Metal Back Face Pulley |
| 01/31/2008 | DE102006034503A1 Verfahren zur Herstellung ein- oder beidseitig gerippter Scheiben A process for producing one or both sides ribbed discs |
| 01/24/2008 | DE10297106B4 Verfahren zur Herstellung einer Zahnstange für ein Zahnstangenlenksystem, sowie danach hergestellte Zahnstange A process for producing a rack for a rack and pinion steering system, and then prepared rack |
| 01/23/2008 | CN201008932Y Off-centering supporting wheel shaft mechanism of cooling ring roller |
| 01/23/2008 | CN100363120C Reinforced car rubbing roller |
| 01/17/2008 | DE10100868B4 Kaltwalz-Umformmaschine und Werkzeug zum Herstellen von flanschförmigen Erzeugnissen bzw. von Flanschen aus einem zylindrischen Vorprodukt Cold roll forming machine and tool for the manufacture of products flange or flanges of a cylindrical intermediate |
| 01/10/2008 | WO2008003305A1 Method for the production of a rotationally symmetrical part, and part produced according to said method |
| 01/10/2008 | US20080006347 Rolling/sliding part and production method thereof |
| 01/10/2008 | DE102006031564A1 Verfahren zur Herstellung eines rotationssymmetrischen Teils, insbesondere Welle A process for producing a rotationally symmetrical part, in particular wave |
| 01/02/2008 | EP1871552A2 Knife blade dressing apparatus |
| 12/21/2007 | WO2007144120A2 Method and device for sizing rolling |
| 12/19/2007 | CN101088656A Ball forming mechanism of ball rolling machine |
| 12/13/2007 | DE102006026043A1 Device for the tension rolling of saw blades, comprises an upper and a lower machine frames with respect to the saw blade plane, an upper or lower working roller and four parallel guidance devices |
| 12/06/2007 | WO2007137543A1 Device and method for producing profiled bodies |
| 12/06/2007 | CA2653049A1 Device and method for producing profiled bodies |
| 12/05/2007 | EP1412656B1 Crankshaft damper with integral pulse ring and method for production |
| 12/05/2007 | CN101081426A Flange of wind power generation tower barrel forging shaping process |
| 11/22/2007 | US20070266755 Container End Forming System |
| 11/22/2007 | US20070266560 Method of Manufacturing Sheet Metal Back Face Pulley |
| 11/21/2007 | CN101076415A Manufacture of sheet metal back face pulley |
| 11/21/2007 | CN101076414A Manufacture of sheet metal back face pulley |
| 11/21/2007 | CN101073870A Process for forging driven-gear briquette plate and circular piece of rear bridge of motor-automobile |
| 11/21/2007 | CN101073817A Moulds and methods for forming blanks of worm shafts rolled with plate wedge laterally |
| 11/21/2007 | CN101073816A Moulds and methods for forming blanks of worm shafts rolled with roller wedge laterally |
| 11/15/2007 | WO2007129894A1 Method and apparatus for processing a preform for a rim, and rim |
| 11/07/2007 | CN101066716A Corner protector for packed steel coil and its making process |
| 11/06/2007 | US7290515 Camshaft and method for producing a camshaft |
| 11/06/2007 | US7290337 Manufacturing method for frame body and frame body |
| 11/01/2007 | US20070251284 Roll stand |
| 10/17/2007 | CN101053887A Inner step profile section ring parts rolling forming method |
| 10/17/2007 | CN101053876A Ring weight online weighing and rolling deviation dispensing method |
| 10/17/2007 | CN100342992C Pulley rolling equipment |
| 10/17/2007 | CN100342991C Wire forming machinery |
| 10/11/2007 | WO2007114174A1 Ring rolling mill and ring rolling method |